1 //===-- SystemZSelectionDAGInfo.h - SystemZ SelectionDAG Info ---*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file defines the SystemZ subclass for SelectionDAGTargetInfo.
10 //
11 //===----------------------------------------------------------------------===//
12 
13 #ifndef LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZSELECTIONDAGINFO_H
14 #define LLVM_LIB_TARGET_SYSTEMZ_SYSTEMZSELECTIONDAGINFO_H
15 
16 #include "llvm/CodeGen/SelectionDAGTargetInfo.h"
17 
18 namespace llvm {
19 
20 class SystemZTargetMachine;
21 
22 class SystemZSelectionDAGInfo : public SelectionDAGTargetInfo {
23 public:
24   explicit SystemZSelectionDAGInfo() = default;
25 
26   SDValue EmitTargetCodeForMemcpy(SelectionDAG &DAG, const SDLoc &DL,
27                                   SDValue Chain, SDValue Dst, SDValue Src,
28                                   SDValue Size, unsigned Align, bool IsVolatile,
29                                   bool AlwaysInline,
30                                   MachinePointerInfo DstPtrInfo,
31                                   MachinePointerInfo SrcPtrInfo) const override;
32 
33   SDValue EmitTargetCodeForMemset(SelectionDAG &DAG, const SDLoc &DL,
34                                   SDValue Chain, SDValue Dst, SDValue Byte,
35                                   SDValue Size, unsigned Align, bool IsVolatile,
36                                   MachinePointerInfo DstPtrInfo) const override;
37 
38   std::pair<SDValue, SDValue>
39   EmitTargetCodeForMemcmp(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
40                           SDValue Src1, SDValue Src2, SDValue Size,
41                           MachinePointerInfo Op1PtrInfo,
42                           MachinePointerInfo Op2PtrInfo) const override;
43 
44   std::pair<SDValue, SDValue>
45   EmitTargetCodeForMemchr(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
46                           SDValue Src, SDValue Char, SDValue Length,
47                           MachinePointerInfo SrcPtrInfo) const override;
48 
49   std::pair<SDValue, SDValue> EmitTargetCodeForStrcpy(
50       SelectionDAG &DAG, const SDLoc &DL, SDValue Chain, SDValue Dest,
51       SDValue Src, MachinePointerInfo DestPtrInfo,
52       MachinePointerInfo SrcPtrInfo, bool isStpcpy) const override;
53 
54   std::pair<SDValue, SDValue>
55   EmitTargetCodeForStrcmp(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
56                           SDValue Src1, SDValue Src2,
57                           MachinePointerInfo Op1PtrInfo,
58                           MachinePointerInfo Op2PtrInfo) const override;
59 
60   std::pair<SDValue, SDValue>
61   EmitTargetCodeForStrlen(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
62                           SDValue Src,
63                           MachinePointerInfo SrcPtrInfo) const override;
64 
65   std::pair<SDValue, SDValue>
66   EmitTargetCodeForStrnlen(SelectionDAG &DAG, const SDLoc &DL, SDValue Chain,
67                            SDValue Src, SDValue MaxLength,
68                            MachinePointerInfo SrcPtrInfo) const override;
69 };
70 
71 } // end namespace llvm
72 
73 #endif
74